The Pertronix Flamethrower II is a good 0.6 ohm coil cranking out a very hot 45,000 volts at peak. It, and the better plug wires, allow me to open up the stock .035" plug gap out to .050" no problem, with good results. Add a multiple spark control box and get even better results.

Owner caption April 2011 · Photo 25 of 85